Rectal bleeding due to Trihuris trichiura.
D001466:Barium Sulfate; D002675:Child, Preschool; D004733:Enema; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D011859:Radiography; D014257:Trichuriasis / Q000150:complications* / Q000000981:diagnostic imaging
D001466:Barium Sulfate